With Mya i didnt show untill i was about 25 weeks. I was around 50-55kg from what i can remember.
With Bodhi i started showing at abot 20 weeks i think. I was actually already 14 1/2 weeks when i found out i was pg with him! I was about 55-60kg.

I reakon u can usually see ur pg somewhere in ur second tri. Congratulations & good luck with it all !